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Find the size and weight specifications for sending letters to the U.S. and internationally.

Find the length, width, thickness, weight and ratio specifications for Canada Post’s Registered Mail service.

Learn the postage you need for a letter or parcel depending on its weight, size and destination.

Rate increases allow us to serve the growing number of addresses, meet inflation costs, and maintain and replace equipment.

Find up-to-date fuel surcharge information on Canada Post services.

Some postal services are not available to certain overseas countries. Find out if there are limitations on mailing to your international destination.

Find acceptable dimensions for mail delivered by Canada Post.